Headphone



FIG. 1 is a perspective view of a headphone showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and

FIG. 8 is a bottom plan view thereof.

FIG. 9 is an enlarge view of portion 9 shown in FIG. 1; and,

FIG. 10 is an enlarge view of portion 10 shown in FIG. 1.

The broken lines in the drawings depict portions of the headphone thatform no part of the claimed design.

CLAIM The ornamental design for a headphone, as shown and described.